A 12 kg box of kittens is pushed horizontally across the tiled floor where the coefficient of kinetic friction is 0.34. Of the push is a constant 50 N, what is the acceleration of the box

Answer: A boat in the trough of a wave takes 3 seconds to reach the highest peak of the wave, then its wavelength will be equal to 30 m.

Explanation:

The wavelength of the wave is 15 m.

The wavelength of a wave is the distance between two consecutive crests or troughs. The velocity of a wave is the speed at which it travels. The time it takes for a boat to travel from the trough of a wave to the highest point of the wave is the same as the time it takes for the wave to travel one wavelength.

In this case, the velocity of the wave is 5 m/s and the time it takes for the boat to travel from the trough of the wave to the highest point is 3 s.

wavelength = velocity * time

wavelength = 5 m/s * 3 s = 15 m

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Answer:

The atmosphere has frozen out into the polar ice caps and permafrost as Mars has cooled.

Explanation: Good luck box BrokenTag27

lighting discharge, b: stay away from tall things, and stay away from any items that conduct electricity

Answer:

400 kN

Explanation:

El principio de Arquímedes establece que, cuando un cuerpo está total o parcialmente sumergido en un fluido, experimenta un empuje hacia arriba que es igual al peso del fluido desplazado.

Dado que;

Volumen del bloque = 80m ^ 3

Densidad del agua = 1000 kg / m ^ 3

Empuje hacia arriba = 1/2 * 80 * 1000 * 10

Empuje hacia arriba = 400 kN

Energy from the battery is changed into electrical energy, which is then used to power the fan and create kinetic energy as the blades spin.

In an electric circuit, energy is changed from one form to another. When a battery is connected to a fan, energy from the battery is changed into electrical energy. This electrical energy is then used to power the fan and create kinetic energy, or energy of motion, as the blades spin.

The energy from the battery is stored in the form of chemical energy. This chemical energy is then changed into electrical energy, which is the energy required to power the fan. This electrical energy passes through the fan, causing the blades to spin. As the blades spin, kinetic energy is generated in the form of the movement of the blades.

The energy in the electric circuit is constantly changing from one form to another. The battery converts chemical energy into electrical energy, and the fan converts electrical energy into kinetic energy. This is the process of energy transformation, which allows us to convert energy from one form to another in order to use it to power appliances.

The electric circuit created by the students is a simple way to illustrate this process of energy transformation. The battery provides the initial source of energy, which is then converted into electrical energy. This electrical energy is then used to power the fan and create kinetic energy. This kinetic energy is then used to move the fan

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Answer:

Energy from the battery is changed into electrical energy, which is then used to power the fan and create kinetic energy as the blades spin.

Connection of an electric circuit

Explanation:

The 2 springs should be connected in parallel so that the spring Constant for the combination is 1 Twice that of a single Spring.

How does Hooke's law work?

In accordance with Hooke's law, a principle of elasticity, for relatively minor deformations of an object, the displacement or size of the deformation is directly proportional to the deforming force or load

A system of two parallel springs connected in accordance with Hooke's Law is equivalent to a single Hookean spring with a spring constant of k. The formula that applies to capacitors linked in parallel in an electrical circuit can be used to determine the value of k.

If spring 1 and 2 have spring constants k1 and k2 respectively,

k is k1+k2

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Explanation:

In uniform gravity it is the same as the centre of mass. For regular shaped bodies it lies at the centre of the that particular body. Hence for a cylinder centre of gravity lies at the midpoint of the axis of the cylinder.

Explanation:

We developed a spherical harmonic series that represents the gravitational potential and its gravity field due to a buried right vertical cylinder. This series can be used at far- and intermediate-regions, and is fast and accurate, using only a few terms. We compared the values of the fields acquired by this new spherical harmonic series, with ones computed by direct numerical integrations, using a fine-mesh structure for a vertical cylinder. Results of the calculations are shown and performances of the two different methods are compared. Faithfulness of the spherical harmonic series is tested with an inversion example.

The situation in which the object with greater kinetic energy can be identified is when the wildlife keeper and the rabbit are both in motion, and their velocities and masses are known. The object with greater kinetic energy would be the one with a higher mass and/or a higher velocity.

Kinetic energy is given by the equation KE = (1/2)mv^2, where m is the mass and v is the velocity of an object. In this scenario, if both the wildlife keeper and the rabbit are in motion, and their masses and velocities are known, we can calculate their respective kinetic energies using the equation. The object with the greater kinetic energy will have a larger product of mass and velocity, indicating higher energy of motion. Therefore, by comparing the calculated values, we can identify the object with greater kinetic energy.

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In Chapter 10 of the book Leader Within You 2.0 by Maxwell, the author emphasizes on the importance of persistence. He highlights that persistence is necessary for attaining success in any area of life. It is particularly important for leaders who are looking to bring change or innovate.

Persisting through challenges and obstacles is crucial because it is inevitable that these challenges will arise. Maxwell provides various examples of famous leaders who persisted through difficult times. He notes that leaders should not be discouraged by failure and that they should use it as an opportunity to learn from their mistakes and grow

Additionally, leaders should not be afraid to take risks because it is impossible to achieve success without taking risks. Maxwell concludes the chapter by emphasizing that persistent people never give up and that persistence is key to reaching success.

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The average power delivered to the 1 kΩ resistor by the given current is approximately 0.05 watts.

To compute the average power delivered to a 1kohm resistor by a current of 10*cos(10t+30) ma, we need to use the formula for average power, which is P_avg = (1/2)*Vrms*Irms*cos(phi), where Vrms and Irms are the root-mean-square values of voltage and current, and phi is the phase angle between them.

In this case, the resistor value is given as 1kohm, and the current is 10*cos(10t+30) ma, which means its amplitude is 10 mA and its frequency is 10 Hz with a phase angle of 30 degrees.

To find the root-mean-square current Irms, we need to square the current function, take its average over one period, and then take the square root of the result. This gives us Irms = 7.07 mA.

To find the phase angle between the current and voltage, we need to know the voltage waveform across the resistor. Assuming it is a pure resistance, the voltage waveform will be in phase with the current waveform, so phi = 0 degrees.

Finally, we can compute the average power as P_avg = (1/2)*Vrms*Irms*cos(phi) = (1/2)*(7.07 mA)*(7.07 mA)*1000 ohm*cos(0 degrees) = 25 mW.

Therefore, the average power delivered to the 1kohm resistor by a current of 10*cos(10t+30) ma is 25 mW.
To compute the average power delivered to a 1 kΩ resistor by a current of 10*cos(10t+30) mA, follow these steps:

1. Convert the current to amperes: 10 mA = 0.01 A
2. Write the current function: i(t) = 0.01*cos(10t + 30)
3. Determine the resistor value: R = 1 kΩ = 1000 Ω
4. Apply the power formula: P(t) = i(t)^2 * R
5. Substitute the current function: P(t) = (0.01*cos(10t + 30))^2 * 1000
6. Compute the average power over one period (0 to 2π): P_avg = (1/(2π)) * ∫(0.01*cos(10t + 30))^2 * 1000 dt from 0 to 2π
7. Solve the integral: P_avg ≈ 0.05 W

The average power delivered to the 1 kΩ resistor by the given current is approximately 0.05 watts.

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Answer:

true

Explanation:

A certain spring stretches 7.7 cm when it supports a mass of 0.51 kg . if the elastic limit is not reached, The string will go 150.80 cm  when it supports a mass of 10 kg

Force 1 = - k x1

mass * acceleration =  - k x1

0.51 * 9.8 = - k (7.7)

k = 0.65

Force 2 = - k x2

10 * 9.8 = - 0.65 x2

x2 = 150.80 cm

The string will go 150.80 cm  when it supports a mass of 10 kg

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The angle necessary to keep a 10 kg box motionless, given a coefficient of static friction of 0.55 between the box and the ramp, is 33.4°, which corresponds to Option A.

To determine the angle, we can use the relationship between the coefficient of static friction, the angle of the incline, and the gravitational force acting on the box. The maximum static friction force can be calculated using the formula:

Friction force = coefficient of static friction * Normal force

The Normal force can be found by decomposing the gravitational force acting on the box into components parallel and perpendicular to the incline. The perpendicular component (Normal force) is equal to the weight of the box (mass * gravitational acceleration).

Since the box is motionless, the friction force must be equal to the component of the gravitational force acting parallel to the incline:

Friction force = Component of weight parallel to incline

By substituting the given values and solving for the angle, we find:

coefficient of static friction = tan(angle)

angle = arctan(coefficient of static friction)

angle = arctan(0.55) ≈ 33.4°

Therefore, the correct answer is Option A, 33.4°.

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Answer:

Nitrogen is de solvent while others are the solute

Answer: Executive Order on Protecting American Monuments, Memorials, and Statues against our country are public monuments, memorials, and statues.

Explanation: learned it last week

Cause it's Corona Time

The total work done by the passenger on the suitcase is 1641J and the amount of work the passenger does on the suitcase to carry it down the stairs will also be 1641J.

A) The work done by the passenger on the suitcase can be calculated using the formula Work = Force x Distance. In this case, the force is the weight of the suitcase, which is 215N, and the distance is the total displacement of the stairs, which is 4.20 m vertically and 4.60 m horizontally. The total work done on the suitcase is thus

215N x (4.20 m + 4.60 m) = 1641 J.

B) The work done by the passenger on the suitcase to carry it back down the stairs is the same as when they carried it up the stairs:

=1641 J.

This is because the work done depends only on the force and distance, not on whether the motion is up or down. The force and distance are the same in this case.

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Answer:

The sun is located in the Milky Way Galaxy.

The density of CO at 1140 torr and 75.0°C is 1.44 g/L.
.

To find the density of CO at 1140 torr and 75.0°C, we can use the ideal gas law equation:

PV = nRT

Where P is the pressure in torr, V is the volume in liters, n is the number of moles, R is the ideal gas constant (0.08206 L·atm/mol·K), and T is the temperature in Kelvin.

First, we need to convert the pressure from torr to atm:

1140 torr = 1.50 atm

Next, we need to convert the temperature from Celsius to Kelvin:

75.0°C + 273.15 = 348.15 K

Now, we can rearrange the ideal gas law equation to solve for the density:

n/V = P/RT

To find the density, we need to divide the number of moles (n) by the volume (V). We can assume that we have 1 mole of CO, so n = 1.

Substituting the values we have:

1/V = (1.50 atm)/(0.08206 L·atm/mol·K × 348.15 K)

1/V = 0.0516 L/mol

V = 19.36 L/mol

Now we have the volume, but we need to find the density. Density is mass per unit volume, so we need to find the mass of 1 mole of CO. The molar mass of CO is 28.01 g/mol.

Density = (28.01 g/mol) / (19.36 L/mol) = 1.44 g/L

Therefore, the density of CO at 1140 torr and 75.0°C is 1.44 g/L.

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.

When a charged foam cup is brought near an uncharged, aluminum foil-covered cup, a transfer of electrons is likely to occur.

This is because the foam cup has a net charge, which will induce a charge separation in the aluminum foil of the uncharged cup. The negatively charged electrons in the foil will be repelled by the negatively charged foam cup and will move towards the opposite end of the foil.

As a result, the foil will become polarized, with one end carrying a positive charge and the other carrying a negative charge. This can lead to a flow of electrons from the negatively charged end of the foil towards the positively charged end,

resulting in a transfer of charge from the foam cup to the foil. The magnitude and direction of this charge transfer will depend on the distance between the cups and the strength of the charge on the foam cup.

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Answer:

Your mass is the same no matter where you go in the universe; your weight, on the other hand, changes from place to place. Mass is measured in kilograms; even though we usually talk about weight in kilograms, strictly speaking it should be measured in newtons, the units of force

In summary, mass is a measure of how much matter an object contains, and weight is a measure of the force of gravity acting on the object. ... The amount of gravity is directly proportional to the amount of mass of the objects and inversely proportional to the square of the distance between the objects.

Explanation:

Answer:

Linear

Explanation:

The slope is constant.

Answer:

A. Linear

Explanation:

hope I help you

Total surface area = 3/2 * area of an old radiator.

Solution:

K = \(\frac{Qd}{A*changeinT}\)

change in T =  ΔT  

Therefore New Area  ( A ) = 3/2 * area of the old radiator.

If you need faster cooling rates, replacing the rubber hoses with silicone hoses is one option. These can withstand higher heat, are less likely to break over time, and last longer. Apart from that, you can also upgrade the radiator fan and shroud to help with cooling. The radiator is an important component of the engine's cooling system.

Its main role is to spread the antifreeze/water mixture around the fins, letting off some of the engine's heat while drawing in the cool air before it passes through the rest of the engine. Replacing your home's radiator has a variety of benefits, and many properties will benefit from this.

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To help other scientists judge the validity of her results, the scientist should allow other scientists to closely review her work. This means sharing her experimental procedure, data, and results with other scientists, as well as allowing them to replicate the experiment to see if they can achieve the same results.

The scientist could help other scientists judge the validity of her results by

1. Providing a detailed description of her experimental procedure, including the materials and methods used, and any controls or variables that were employed.

2. Making her data and results available for other scientists to review and analyze, either through publication in a peer-reviewed journal or by presenting them at scientific conferences.

By doing so, other scientists can examine her work and determine if her methods were sound, if there were any flaws or biases that could have affected the results, and if the conclusions drawn from the data are supported by the evidence. This allows for the scientific community to evaluate the validity and reliability of the results and to build on the work in future studies.

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Answer:

Pavg =24.4×20800

Explanation:

1st u(initial velocity)=90×5/18=25m/s

v^2-u^2=2as........v=0

a=-20.8 then force=ma =1000×(-20.8)=-20800

P initial=f×u and P final=f×s/t

Pavg=Pi-Pf=fu-fs/t=f(25-15/25)=f(25-0.6)

Pavg=20800×24.4

Answer:

it binds the negatively charged electrons to the positively charged atomic nucleus.

Explanation:

its called Electromagnetic Force

a) The resistance of the bulb is 5 ohms.
b) With the reduced battery voltage of 1.2 V, the current flowing through the flashlight bulb would decrease to 240 mA.

(a) To calculate the resistance of the flashlight bulb, we can use Ohm's Law, which is defined as Voltage (V) = Current (I) x Resistance (R).

Given the current (I) of 300 mA (0.3 A) and the voltage (V) of 1.5 V.

we can rearrange the formula to solve for the resistance (R) as follows:

R = V/I.

R = 1.5 V / 0.3 A = 5 Ω

The resistance of the flashlight bulb is 5 ohms.

(b) If the battery voltage drops to 1.2 V, we can calculate the new current using Ohm's Law with the same resistance value.

I = V/R

I = 1.2 V / 5 Ω = 0.24 A (240 mA)

With the reduced battery voltage of 1.2 V, the current flowing through the flashlight bulb would decrease to 240 mA. This is because the relationship between voltage and current is directly proportional when resistance remains constant, as demonstrated by Ohm's Law. A decrease in voltage will result in a corresponding decrease in current.

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